Product DescriptionThis digital alarm is certain to wake the deaf, heard of hearing or deep sleepers with perfect hearing.
- loud 98 dB alarm with tone control
- strong 12-volt bed shaker vibrates to wake you up
- attach a bedside lamp as a visual alert
- works as a receiver with all Sonic Alert products
- bright green 1-inch LED adjustable angle time display
- AC powered with 9-volt battery backup (not included)